Question

What is the mean for this list of numbers? 17, 19, 21, 23

Answer 1

Answer:

The mean is 20

Step-by-step explanation:

17+19+21+23=80

80 div 4 = 20

Answer 2

Answer:

20.

Step-by-step explanation:

The mean = (sum of the numbers)  / 4   as there are  a total 4 numbers in the list.

Mean = (17+19+21+23) / 4

= 80 / 4

= 20.